./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:02:59,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:02:59,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:02:59,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:02:59,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:02:59,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:02:59,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:02:59,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:02:59,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:02:59,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:02:59,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:02:59,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:02:59,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:02:59,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:02:59,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:02:59,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:02:59,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:02:59,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:02:59,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:02:59,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:02:59,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:02:59,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:02:59,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:02:59,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:02:59,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:02:59,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:02:59,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:02:59,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:02:59,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:02:59,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:02:59,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:02:59,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:02:59,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:02:59,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:02:59,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:02:59,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:02:59,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:02:59,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:02:59,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:02:59,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:02:59,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:02:59,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:02:59,824 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:02:59,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:02:59,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:02:59,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:02:59,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:02:59,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:02:59,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:02:59,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:02:59,828 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:02:59,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:02:59,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:02:59,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:02:59,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:02:59,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:02:59,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:02:59,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:02:59,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:02:59,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:02:59,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:02:59,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:02:59,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:02:59,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:02:59,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:02:59,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:02:59,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:02:59,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:02:59,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:02:59,837 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:02:59,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:02:59,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:02:59,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2022-11-18 21:03:00,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:03:00,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:03:00,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:03:00,212 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:03:00,213 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:03:00,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-18 21:03:00,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/data/5032102c6/3ecbd7d9bf294cef96b491c77ee87683/FLAG0da67a5d0 [2022-11-18 21:03:01,304 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:03:01,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-18 21:03:01,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/data/5032102c6/3ecbd7d9bf294cef96b491c77ee87683/FLAG0da67a5d0 [2022-11-18 21:03:01,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/data/5032102c6/3ecbd7d9bf294cef96b491c77ee87683 [2022-11-18 21:03:01,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:03:01,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:03:01,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:03:01,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:03:01,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:03:01,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:03:01" (1/1) ... [2022-11-18 21:03:01,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2400ce5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:01, skipping insertion in model container [2022-11-18 21:03:01,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:03:01" (1/1) ... [2022-11-18 21:03:01,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:03:01,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:03:03,445 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-18 21:03:05,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:03:05,682 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:03:05,898 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-18 21:03:06,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:03:06,809 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:03:06,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06 WrapperNode [2022-11-18 21:03:06,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:03:06,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:03:06,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:03:06,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:03:06,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:06,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,255 INFO L138 Inliner]: procedures = 449, calls = 2528, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6364 [2022-11-18 21:03:07,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:03:07,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:03:07,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:03:07,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:03:07,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,613 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:03:07,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:03:07,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:03:07,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:03:07,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (1/1) ... [2022-11-18 21:03:07,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:03:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:03:07,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:03:07,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:03:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 21:03:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 21:03:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-18 21:03:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-18 21:03:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-18 21:03:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-18 21:03:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-18 21:03:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-18 21:03:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-18 21:03:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-18 21:03:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-18 21:03:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-18 21:03:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 21:03:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 21:03:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:03:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:03:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-18 21:03:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-18 21:03:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-18 21:03:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-18 21:03:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-18 21:03:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-18 21:03:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 21:03:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 21:03:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-18 21:03:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-18 21:03:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-18 21:03:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-18 21:03:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 21:03:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 21:03:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-18 21:03:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-18 21:03:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-18 21:03:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-18 21:03:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-18 21:03:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-18 21:03:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-18 21:03:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-18 21:03:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-18 21:03:07,870 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-18 21:03:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-18 21:03:07,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-18 21:03:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-18 21:03:07,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-18 21:03:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 21:03:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 21:03:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-18 21:03:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-18 21:03:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-18 21:03:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-18 21:03:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-18 21:03:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-18 21:03:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-18 21:03:07,873 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-18 21:03:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-18 21:03:07,874 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-18 21:03:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-11-18 21:03:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-11-18 21:03:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-18 21:03:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-18 21:03:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-18 21:03:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-18 21:03:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:03:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-18 21:03:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-18 21:03:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-11-18 21:03:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-11-18 21:03:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-18 21:03:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-18 21:03:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-18 21:03:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-18 21:03:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-18 21:03:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-18 21:03:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 21:03:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 21:03:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-18 21:03:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-18 21:03:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 21:03:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 21:03:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-18 21:03:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-18 21:03:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-18 21:03:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-18 21:03:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-11-18 21:03:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-11-18 21:03:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 21:03:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 21:03:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-18 21:03:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-18 21:03:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:03:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-18 21:03:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-18 21:03:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-18 21:03:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-18 21:03:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-11-18 21:03:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-11-18 21:03:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-18 21:03:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-18 21:03:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2022-11-18 21:03:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2022-11-18 21:03:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:03:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-18 21:03:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-18 21:03:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-18 21:03:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-18 21:03:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:03:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-11-18 21:03:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-11-18 21:03:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-18 21:03:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-18 21:03:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:03:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:03:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-18 21:03:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-18 21:03:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-18 21:03:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-18 21:03:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-18 21:03:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-18 21:03:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-18 21:03:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-18 21:03:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-18 21:03:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-18 21:03:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-18 21:03:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-18 21:03:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 21:03:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 21:03:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-18 21:03:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-18 21:03:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-18 21:03:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-18 21:03:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-18 21:03:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-18 21:03:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-18 21:03:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-18 21:03:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-18 21:03:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-18 21:03:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-18 21:03:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-18 21:03:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-18 21:03:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:03:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 21:03:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 21:03:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:03:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-18 21:03:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-18 21:03:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 21:03:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 21:03:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-18 21:03:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-18 21:03:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:03:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:03:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:03:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:03:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-18 21:03:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-18 21:03:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 21:03:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 21:03:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-18 21:03:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-18 21:03:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-18 21:03:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-18 21:03:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-18 21:03:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-18 21:03:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-18 21:03:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-18 21:03:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 21:03:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 21:03:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-11-18 21:03:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-11-18 21:03:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 21:03:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 21:03:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-18 21:03:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-18 21:03:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-18 21:03:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-18 21:03:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-18 21:03:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-18 21:03:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-18 21:03:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-18 21:03:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-18 21:03:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-18 21:03:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-18 21:03:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-18 21:03:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:03:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:03:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-18 21:03:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-18 21:03:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-18 21:03:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-18 21:03:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-18 21:03:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-18 21:03:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-18 21:03:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-18 21:03:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-18 21:03:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-18 21:03:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:03:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:03:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:03:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:03:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-18 21:03:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-18 21:03:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-18 21:03:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-18 21:03:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 21:03:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 21:03:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-18 21:03:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-18 21:03:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-18 21:03:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-18 21:03:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-18 21:03:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-18 21:03:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-11-18 21:03:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-11-18 21:03:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 21:03:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-18 21:03:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-18 21:03:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-18 21:03:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-18 21:03:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-18 21:03:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-18 21:03:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-18 21:03:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-18 21:03:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-18 21:03:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-18 21:03:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-18 21:03:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-18 21:03:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-11-18 21:03:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-11-18 21:03:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 21:03:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 21:03:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 21:03:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 21:03:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-18 21:03:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-18 21:03:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-11-18 21:03:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-11-18 21:03:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-18 21:03:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-18 21:03:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:03:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:03:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-18 21:03:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-18 21:03:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:03:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:03:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-18 21:03:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-18 21:03:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-18 21:03:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-18 21:03:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-18 21:03:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-18 21:03:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:03:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 21:03:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 21:03:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-18 21:03:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-18 21:03:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-18 21:03:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-18 21:03:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-18 21:03:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-18 21:03:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 21:03:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 21:03:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:03:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 21:03:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 21:03:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-18 21:03:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-18 21:03:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-18 21:03:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-18 21:03:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-18 21:03:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-18 21:03:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:03:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-18 21:03:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-18 21:03:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-18 21:03:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-18 21:03:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-18 21:03:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-18 21:03:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 21:03:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 21:03:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 21:03:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 21:03:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 21:03:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 21:03:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 21:03:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 21:03:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-18 21:03:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-18 21:03:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-18 21:03:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-18 21:03:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 21:03:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 21:03:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-18 21:03:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-18 21:03:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 21:03:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 21:03:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-11-18 21:03:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-11-18 21:03:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-18 21:03:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-18 21:03:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-18 21:03:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-18 21:03:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-18 21:03:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-18 21:03:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-18 21:03:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-18 21:03:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 21:03:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 21:03:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-18 21:03:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-18 21:03:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-18 21:03:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-18 21:03:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 21:03:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 21:03:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-18 21:03:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-18 21:03:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-18 21:03:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-18 21:03:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:03:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:03:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-18 21:03:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-18 21:03:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:03:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-18 21:03:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-18 21:03:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-18 21:03:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-18 21:03:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:03:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:03:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-18 21:03:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-18 21:03:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-18 21:03:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-18 21:03:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-18 21:03:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-18 21:03:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-18 21:03:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-18 21:03:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-18 21:03:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-18 21:03:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-18 21:03:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-18 21:03:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-18 21:03:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-18 21:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-18 21:03:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-18 21:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-18 21:03:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-18 21:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-18 21:03:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-18 21:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-18 21:03:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-18 21:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-18 21:03:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-18 21:03:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-11-18 21:03:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-11-18 21:03:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-18 21:03:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-18 21:03:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-18 21:03:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-18 21:03:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 21:03:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 21:03:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-18 21:03:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-18 21:03:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 21:03:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 21:03:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-18 21:03:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-18 21:03:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 21:03:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 21:03:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-18 21:03:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-18 21:03:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 21:03:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 21:03:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-18 21:03:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-18 21:03:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-18 21:03:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-18 21:03:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-18 21:03:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-18 21:03:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-18 21:03:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-18 21:03:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:03:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 21:03:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 21:03:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-18 21:03:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-18 21:03:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-18 21:03:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-18 21:03:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-18 21:03:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-18 21:03:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-18 21:03:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-18 21:03:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-18 21:03:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-18 21:03:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-11-18 21:03:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-11-18 21:03:09,343 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:03:09,348 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:03:09,798 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:03:15,575 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:03:15,601 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:03:15,601 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-18 21:03:15,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:15 BoogieIcfgContainer [2022-11-18 21:03:15,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:03:15,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:03:15,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:03:15,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:03:15,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:03:01" (1/3) ... [2022-11-18 21:03:15,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d32d232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:15, skipping insertion in model container [2022-11-18 21:03:15,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:06" (2/3) ... [2022-11-18 21:03:15,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d32d232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:15, skipping insertion in model container [2022-11-18 21:03:15,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:15" (3/3) ... [2022-11-18 21:03:15,620 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-18 21:03:15,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:03:15,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:03:15,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:03:15,756 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@80d0445, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:03:15,756 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:03:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 2815 states, 2014 states have (on average 1.3857994041708044) internal successors, (2791), 2064 states have internal predecessors, (2791), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) [2022-11-18 21:03:15,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-18 21:03:15,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:15,794 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:03:15,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:03:15,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:15,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2123886541, now seen corresponding path program 1 times [2022-11-18 21:03:15,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:15,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667119614] [2022-11-18 21:03:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:15,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:03:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:03:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:03:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:03:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:03:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:03:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:03:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:03:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:03:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:03:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:03:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:03:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:03:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:03:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 21:03:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-18 21:03:17,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:03:17,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667119614] [2022-11-18 21:03:17,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667119614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:03:17,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:03:17,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:03:17,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500630850] [2022-11-18 21:03:17,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:03:17,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:03:17,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:03:17,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:03:17,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:03:17,175 INFO L87 Difference]: Start difference. First operand has 2815 states, 2014 states have (on average 1.3857994041708044) internal successors, (2791), 2064 states have internal predecessors, (2791), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 21:03:35,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:03:35,319 INFO L93 Difference]: Finished difference Result 9294 states and 13719 transitions. [2022-11-18 21:03:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:03:35,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-11-18 21:03:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:03:35,412 INFO L225 Difference]: With dead ends: 9294 [2022-11-18 21:03:35,412 INFO L226 Difference]: Without dead ends: 6454 [2022-11-18 21:03:35,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:03:35,446 INFO L413 NwaCegarLoop]: 3219 mSDtfsCounter, 9223 mSDsluCounter, 5615 mSDsCounter, 0 mSdLazyCounter, 5610 mSolverCounterSat, 4197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9577 SdHoareTripleChecker+Valid, 8834 SdHoareTripleChecker+Invalid, 9807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4197 IncrementalHoareTripleChecker+Valid, 5610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:03:35,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9577 Valid, 8834 Invalid, 9807 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4197 Valid, 5610 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2022-11-18 21:03:35,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6454 states. [2022-11-18 21:03:35,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6454 to 5524. [2022-11-18 21:03:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5524 states, 3963 states have (on average 1.378753469593742) internal successors, (5464), 4046 states have internal predecessors, (5464), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-18 21:03:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5524 states to 5524 states and 7839 transitions. [2022-11-18 21:03:36,028 INFO L78 Accepts]: Start accepts. Automaton has 5524 states and 7839 transitions. Word has length 112 [2022-11-18 21:03:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:03:36,030 INFO L495 AbstractCegarLoop]: Abstraction has 5524 states and 7839 transitions. [2022-11-18 21:03:36,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 21:03:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5524 states and 7839 transitions. [2022-11-18 21:03:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-18 21:03:36,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:36,044 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:03:36,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:03:36,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:03:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:36,045 INFO L85 PathProgramCache]: Analyzing trace with hash 839964327, now seen corresponding path program 1 times [2022-11-18 21:03:36,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:36,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593304466] [2022-11-18 21:03:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:36,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:03:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:03:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:03:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:03:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:03:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:03:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:03:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:03:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:03:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:03:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:03:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:03:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:03:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 21:03:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-18 21:03:36,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:03:36,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593304466] [2022-11-18 21:03:36,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593304466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:03:36,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:03:36,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:03:36,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878914976] [2022-11-18 21:03:36,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:03:36,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:03:36,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:03:37,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:03:37,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:03:37,001 INFO L87 Difference]: Start difference. First operand 5524 states and 7839 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 21:03:56,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:03:56,919 INFO L93 Difference]: Finished difference Result 18351 states and 26797 transitions. [2022-11-18 21:03:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:03:56,920 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2022-11-18 21:03:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:03:57,037 INFO L225 Difference]: With dead ends: 18351 [2022-11-18 21:03:57,037 INFO L226 Difference]: Without dead ends: 12844 [2022-11-18 21:03:57,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:03:57,077 INFO L413 NwaCegarLoop]: 3536 mSDtfsCounter, 9034 mSDsluCounter, 12056 mSDsCounter, 0 mSdLazyCounter, 10039 mSolverCounterSat, 4012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9378 SdHoareTripleChecker+Valid, 15592 SdHoareTripleChecker+Invalid, 14051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4012 IncrementalHoareTripleChecker+Valid, 10039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:03:57,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9378 Valid, 15592 Invalid, 14051 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4012 Valid, 10039 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2022-11-18 21:03:57,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12844 states. [2022-11-18 21:03:57,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12844 to 11316. [2022-11-18 21:03:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11316 states, 8106 states have (on average 1.3770046878855169) internal successors, (11162), 8292 states have internal predecessors, (11162), 2419 states have call successors, (2419), 743 states have call predecessors, (2419), 790 states have return successors, (2673), 2398 states have call predecessors, (2673), 2418 states have call successors, (2673) [2022-11-18 21:03:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11316 states to 11316 states and 16254 transitions. [2022-11-18 21:03:57,876 INFO L78 Accepts]: Start accepts. Automaton has 11316 states and 16254 transitions. Word has length 111 [2022-11-18 21:03:57,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:03:57,877 INFO L495 AbstractCegarLoop]: Abstraction has 11316 states and 16254 transitions. [2022-11-18 21:03:57,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 21:03:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 11316 states and 16254 transitions. [2022-11-18 21:03:57,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-18 21:03:57,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:57,924 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:03:57,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:03:57,924 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:03:57,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:57,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1207485790, now seen corresponding path program 1 times [2022-11-18 21:03:57,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:57,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268134807] [2022-11-18 21:03:57,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:03:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:03:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:03:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:03:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:03:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:03:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:03:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:03:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:03:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:03:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:03:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:03:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:03:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:03:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 21:03:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 21:03:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:03:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:03:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:03:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:03:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:03:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:03:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:03:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:03:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 21:03:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:59,048 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-18 21:03:59,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:03:59,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268134807] [2022-11-18 21:03:59,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268134807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:03:59,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:03:59,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:03:59,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65700070] [2022-11-18 21:03:59,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:03:59,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:03:59,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:03:59,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:03:59,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:03:59,055 INFO L87 Difference]: Start difference. First operand 11316 states and 16254 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 21:04:15,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:15,003 INFO L93 Difference]: Finished difference Result 36742 states and 53478 transitions. [2022-11-18 21:04:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:04:15,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 248 [2022-11-18 21:04:15,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:15,179 INFO L225 Difference]: With dead ends: 36742 [2022-11-18 21:04:15,180 INFO L226 Difference]: Without dead ends: 25458 [2022-11-18 21:04:15,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:04:15,250 INFO L413 NwaCegarLoop]: 3175 mSDtfsCounter, 11730 mSDsluCounter, 5498 mSDsCounter, 0 mSdLazyCounter, 5717 mSolverCounterSat, 5614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12238 SdHoareTripleChecker+Valid, 8673 SdHoareTripleChecker+Invalid, 11331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5614 IncrementalHoareTripleChecker+Valid, 5717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:15,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12238 Valid, 8673 Invalid, 11331 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5614 Valid, 5717 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-11-18 21:04:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25458 states. [2022-11-18 21:04:16,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25458 to 22734. [2022-11-18 21:04:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22734 states, 16298 states have (on average 1.3740336237575164) internal successors, (22394), 16656 states have internal predecessors, (22394), 4787 states have call successors, (4787), 1479 states have call predecessors, (4787), 1648 states have return successors, (5493), 4828 states have call predecessors, (5493), 4786 states have call successors, (5493) [2022-11-18 21:04:16,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22734 states to 22734 states and 32674 transitions. [2022-11-18 21:04:16,750 INFO L78 Accepts]: Start accepts. Automaton has 22734 states and 32674 transitions. Word has length 248 [2022-11-18 21:04:16,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:16,751 INFO L495 AbstractCegarLoop]: Abstraction has 22734 states and 32674 transitions. [2022-11-18 21:04:16,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 21:04:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 22734 states and 32674 transitions. [2022-11-18 21:04:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-18 21:04:16,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:16,819 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:16,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:04:16,820 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:04:16,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:16,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1977818723, now seen corresponding path program 1 times [2022-11-18 21:04:16,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:16,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924366164] [2022-11-18 21:04:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:16,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:04:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:04:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:04:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:04:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:04:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:04:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:04:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:04:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:04:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:04:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:04:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:04:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:04:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 21:04:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:04:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:04:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:04:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 21:04:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 21:04:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:04:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:04:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:04:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:04:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 21:04:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 21:04:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 21:04:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-18 21:04:17,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:17,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924366164] [2022-11-18 21:04:17,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924366164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:17,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:17,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 21:04:17,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393932055] [2022-11-18 21:04:17,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:17,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 21:04:17,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:17,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 21:04:17,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:04:17,846 INFO L87 Difference]: Start difference. First operand 22734 states and 32674 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-18 21:04:38,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:38,023 INFO L93 Difference]: Finished difference Result 61721 states and 91207 transitions. [2022-11-18 21:04:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 21:04:38,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 258 [2022-11-18 21:04:38,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:38,255 INFO L225 Difference]: With dead ends: 61721 [2022-11-18 21:04:38,256 INFO L226 Difference]: Without dead ends: 39019 [2022-11-18 21:04:38,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-18 21:04:38,587 INFO L413 NwaCegarLoop]: 4090 mSDtfsCounter, 9008 mSDsluCounter, 10099 mSDsCounter, 0 mSdLazyCounter, 10791 mSolverCounterSat, 4812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9568 SdHoareTripleChecker+Valid, 14189 SdHoareTripleChecker+Invalid, 15603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4812 IncrementalHoareTripleChecker+Valid, 10791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:38,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9568 Valid, 14189 Invalid, 15603 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4812 Valid, 10791 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2022-11-18 21:04:38,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39019 states. [2022-11-18 21:04:40,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39019 to 32626. [2022-11-18 21:04:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32626 states, 23211 states have (on average 1.354874843824049) internal successors, (31448), 23755 states have internal predecessors, (31448), 6929 states have call successors, (6929), 2212 states have call predecessors, (6929), 2485 states have return successors, (8009), 7004 states have call predecessors, (8009), 6928 states have call successors, (8009) [2022-11-18 21:04:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32626 states to 32626 states and 46386 transitions. [2022-11-18 21:04:40,807 INFO L78 Accepts]: Start accepts. Automaton has 32626 states and 46386 transitions. Word has length 258 [2022-11-18 21:04:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:40,808 INFO L495 AbstractCegarLoop]: Abstraction has 32626 states and 46386 transitions. [2022-11-18 21:04:40,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-18 21:04:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32626 states and 46386 transitions. [2022-11-18 21:04:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-11-18 21:04:40,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:40,883 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:40,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:04:40,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:04:40,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:40,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1888733746, now seen corresponding path program 1 times [2022-11-18 21:04:40,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:40,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302622597] [2022-11-18 21:04:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:40,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:04:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:04:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:04:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:04:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:04:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:04:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:04:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:04:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:04:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:04:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:04:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:04:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:04:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 21:04:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 21:04:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:04:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:04:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:04:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 21:04:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 21:04:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:04:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 21:04:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:04:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:04:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:04:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:04:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:04:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:04:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:04:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 21:04:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:04:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-11-18 21:04:43,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:43,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302622597] [2022-11-18 21:04:43,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302622597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:43,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:43,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:04:43,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287064132] [2022-11-18 21:04:43,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:43,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:04:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:43,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:04:43,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:04:43,775 INFO L87 Difference]: Start difference. First operand 32626 states and 46386 transitions. Second operand has 8 states, 8 states have (on average 19.25) internal successors, (154), 4 states have internal predecessors, (154), 2 states have call successors, (40), 5 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 21:05:00,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:00,300 INFO L93 Difference]: Finished difference Result 69247 states and 100848 transitions. [2022-11-18 21:05:00,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:05:00,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 4 states have internal predecessors, (154), 2 states have call successors, (40), 5 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 289 [2022-11-18 21:05:00,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:00,547 INFO L225 Difference]: With dead ends: 69247 [2022-11-18 21:05:00,548 INFO L226 Difference]: Without dead ends: 36657 [2022-11-18 21:05:00,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:05:00,690 INFO L413 NwaCegarLoop]: 2676 mSDtfsCounter, 3840 mSDsluCounter, 9994 mSDsCounter, 0 mSdLazyCounter, 7831 mSolverCounterSat, 2464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4038 SdHoareTripleChecker+Valid, 12670 SdHoareTripleChecker+Invalid, 10295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2464 IncrementalHoareTripleChecker+Valid, 7831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:00,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4038 Valid, 12670 Invalid, 10295 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2464 Valid, 7831 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-11-18 21:05:00,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36657 states. [2022-11-18 21:05:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36657 to 32626. [2022-11-18 21:05:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32626 states, 23199 states have (on average 1.3540238803396698) internal successors, (31412), 23749 states have internal predecessors, (31412), 6929 states have call successors, (6929), 2212 states have call predecessors, (6929), 2497 states have return successors, (8034), 7010 states have call predecessors, (8034), 6928 states have call successors, (8034) [2022-11-18 21:05:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32626 states to 32626 states and 46375 transitions. [2022-11-18 21:05:03,354 INFO L78 Accepts]: Start accepts. Automaton has 32626 states and 46375 transitions. Word has length 289 [2022-11-18 21:05:03,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:03,355 INFO L495 AbstractCegarLoop]: Abstraction has 32626 states and 46375 transitions. [2022-11-18 21:05:03,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 4 states have internal predecessors, (154), 2 states have call successors, (40), 5 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 21:05:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32626 states and 46375 transitions. [2022-11-18 21:05:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-18 21:05:03,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:03,428 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:03,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:05:03,428 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:05:03,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:03,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1462687117, now seen corresponding path program 1 times [2022-11-18 21:05:03,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:03,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076480779] [2022-11-18 21:05:03,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:03,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:05:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:05:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:05:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:05:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:05:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:05:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:05:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:05:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:05:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:05:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:05:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:05:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 21:05:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 21:05:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:05:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:05:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 21:05:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 21:05:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:05:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 21:05:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:05:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:05:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:07,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:05:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:07,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:05:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:07,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 21:05:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-18 21:05:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-11-18 21:05:07,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:07,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076480779] [2022-11-18 21:05:07,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076480779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:07,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:07,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 21:05:07,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901235434] [2022-11-18 21:05:07,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:07,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 21:05:07,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:07,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 21:05:07,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:05:07,571 INFO L87 Difference]: Start difference. First operand 32626 states and 46375 transitions. Second operand has 13 states, 13 states have (on average 12.23076923076923) internal successors, (159), 8 states have internal predecessors, (159), 3 states have call successors, (41), 5 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-18 21:05:30,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:30,645 INFO L93 Difference]: Finished difference Result 69271 states and 100807 transitions. [2022-11-18 21:05:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 21:05:30,646 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.23076923076923) internal successors, (159), 8 states have internal predecessors, (159), 3 states have call successors, (41), 5 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) Word has length 296 [2022-11-18 21:05:30,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:30,853 INFO L225 Difference]: With dead ends: 69271 [2022-11-18 21:05:30,854 INFO L226 Difference]: Without dead ends: 36681 [2022-11-18 21:05:30,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-11-18 21:05:30,986 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 2656 mSDsluCounter, 22412 mSDsCounter, 0 mSdLazyCounter, 16345 mSolverCounterSat, 1598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2856 SdHoareTripleChecker+Valid, 25136 SdHoareTripleChecker+Invalid, 17943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1598 IncrementalHoareTripleChecker+Valid, 16345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:30,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2856 Valid, 25136 Invalid, 17943 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1598 Valid, 16345 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2022-11-18 21:05:31,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36681 states. [2022-11-18 21:05:33,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36681 to 32674. [2022-11-18 21:05:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32674 states, 23235 states have (on average 1.3527006670970518) internal successors, (31430), 23785 states have internal predecessors, (31430), 6935 states have call successors, (6935), 2212 states have call predecessors, (6935), 2503 states have return successors, (8058), 7022 states have call predecessors, (8058), 6934 states have call successors, (8058) [2022-11-18 21:05:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32674 states to 32674 states and 46423 transitions. [2022-11-18 21:05:33,842 INFO L78 Accepts]: Start accepts. Automaton has 32674 states and 46423 transitions. Word has length 296 [2022-11-18 21:05:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:33,843 INFO L495 AbstractCegarLoop]: Abstraction has 32674 states and 46423 transitions. [2022-11-18 21:05:33,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.23076923076923) internal successors, (159), 8 states have internal predecessors, (159), 3 states have call successors, (41), 5 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-18 21:05:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 32674 states and 46423 transitions. [2022-11-18 21:05:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-18 21:05:33,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:33,912 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:33,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:05:33,912 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:05:33,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:33,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1992799335, now seen corresponding path program 1 times [2022-11-18 21:05:33,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:33,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511775392] [2022-11-18 21:05:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:33,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:05:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:05:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:05:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:05:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:05:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:05:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:05:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:35,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:05:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:05:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:05:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:05:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:05:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 21:05:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 21:05:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:05:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:05:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 21:05:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 21:05:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 21:05:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 21:05:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 21:05:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:05:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:05:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:05:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 21:05:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:05:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-18 21:05:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 21:05:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2022-11-18 21:05:36,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:36,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511775392] [2022-11-18 21:05:36,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511775392] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:05:36,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90160261] [2022-11-18 21:05:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:36,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:05:36,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:05:36,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:05:36,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 21:05:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:38,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 4052 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 21:05:38,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:05:38,427 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-11-18 21:05:38,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:05:38,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90160261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:38,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:05:38,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-11-18 21:05:38,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437139646] [2022-11-18 21:05:38,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:38,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:05:38,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:38,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:05:38,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:05:38,431 INFO L87 Difference]: Start difference. First operand 32674 states and 46423 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:05:40,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:40,205 INFO L93 Difference]: Finished difference Result 65629 states and 93188 transitions. [2022-11-18 21:05:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:05:40,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 314 [2022-11-18 21:05:40,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:40,438 INFO L225 Difference]: With dead ends: 65629 [2022-11-18 21:05:40,439 INFO L226 Difference]: Without dead ends: 32907 [2022-11-18 21:05:40,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-18 21:05:40,590 INFO L413 NwaCegarLoop]: 7660 mSDtfsCounter, 3814 mSDsluCounter, 19170 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3815 SdHoareTripleChecker+Valid, 26830 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:40,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3815 Valid, 26830 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:05:40,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32907 states. [2022-11-18 21:05:42,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32907 to 32613. [2022-11-18 21:05:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32613 states, 23202 states have (on average 1.3528575122834239) internal successors, (31389), 23745 states have internal predecessors, (31389), 6921 states have call successors, (6921), 2198 states have call predecessors, (6921), 2489 states have return successors, (8044), 7008 states have call predecessors, (8044), 6920 states have call successors, (8044) [2022-11-18 21:05:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32613 states to 32613 states and 46354 transitions. [2022-11-18 21:05:42,647 INFO L78 Accepts]: Start accepts. Automaton has 32613 states and 46354 transitions. Word has length 314 [2022-11-18 21:05:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:42,648 INFO L495 AbstractCegarLoop]: Abstraction has 32613 states and 46354 transitions. [2022-11-18 21:05:42,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:05:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32613 states and 46354 transitions. [2022-11-18 21:05:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-18 21:05:42,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:42,723 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:42,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 21:05:42,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:05:42,945 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:05:42,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:42,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1995289908, now seen corresponding path program 1 times [2022-11-18 21:05:42,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:42,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71653494] [2022-11-18 21:05:42,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:42,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:05:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:05:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:05:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:05:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:05:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:05:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:05:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:05:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:05:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:05:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:05:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:05:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:05:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 21:05:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:05:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:05:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:05:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:05:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 21:05:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 21:05:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:05:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:05:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:05:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:05:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 21:05:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:05:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-18 21:05:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-18 21:05:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-18 21:05:47,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:47,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71653494] [2022-11-18 21:05:47,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71653494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:47,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:47,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 21:05:47,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168653699] [2022-11-18 21:05:47,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:47,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 21:05:47,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:47,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 21:05:47,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:05:47,331 INFO L87 Difference]: Start difference. First operand 32613 states and 46354 transitions. Second operand has 11 states, 11 states have (on average 15.0) internal successors, (165), 7 states have internal predecessors, (165), 7 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (40), 6 states have call predecessors, (40), 7 states have call successors, (40) [2022-11-18 21:06:08,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:08,110 INFO L93 Difference]: Finished difference Result 71755 states and 103919 transitions. [2022-11-18 21:06:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 21:06:08,111 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.0) internal successors, (165), 7 states have internal predecessors, (165), 7 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (40), 6 states have call predecessors, (40), 7 states have call successors, (40) Word has length 301 [2022-11-18 21:06:08,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:08,374 INFO L225 Difference]: With dead ends: 71755 [2022-11-18 21:06:08,374 INFO L226 Difference]: Without dead ends: 39178 [2022-11-18 21:06:08,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-18 21:06:08,508 INFO L413 NwaCegarLoop]: 2611 mSDtfsCounter, 3137 mSDsluCounter, 15685 mSDsCounter, 0 mSdLazyCounter, 13375 mSolverCounterSat, 1792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 18296 SdHoareTripleChecker+Invalid, 15167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 13375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:08,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3393 Valid, 18296 Invalid, 15167 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1792 Valid, 13375 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2022-11-18 21:06:08,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39178 states. [2022-11-18 21:06:10,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39178 to 32951. [2022-11-18 21:06:10,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32951 states, 23440 states have (on average 1.3511518771331057) internal successors, (31671), 23985 states have internal predecessors, (31671), 6993 states have call successors, (6993), 2218 states have call predecessors, (6993), 2517 states have return successors, (8178), 7086 states have call predecessors, (8178), 6992 states have call successors, (8178) [2022-11-18 21:06:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32951 states to 32951 states and 46842 transitions. [2022-11-18 21:06:10,684 INFO L78 Accepts]: Start accepts. Automaton has 32951 states and 46842 transitions. Word has length 301 [2022-11-18 21:06:10,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:10,686 INFO L495 AbstractCegarLoop]: Abstraction has 32951 states and 46842 transitions. [2022-11-18 21:06:10,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.0) internal successors, (165), 7 states have internal predecessors, (165), 7 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (40), 6 states have call predecessors, (40), 7 states have call successors, (40) [2022-11-18 21:06:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32951 states and 46842 transitions. [2022-11-18 21:06:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-11-18 21:06:10,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:10,753 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:10,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:06:10,754 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:10,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:10,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1196999616, now seen corresponding path program 1 times [2022-11-18 21:06:10,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:10,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264313443] [2022-11-18 21:06:10,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:10,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:06:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:06:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:06:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:06:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:06:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:06:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:06:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:06:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:06:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 21:06:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:06:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:06:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 21:06:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:06:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:06:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:06:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:06:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 21:06:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 21:06:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 21:06:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:06:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:06:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:06:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 21:06:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:06:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:12,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 21:06:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-11-18 21:06:13,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:13,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264313443] [2022-11-18 21:06:13,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264313443] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:13,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277285886] [2022-11-18 21:06:13,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:13,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:13,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:13,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:13,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 21:06:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:14,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 4140 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 21:06:15,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:06:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-11-18 21:06:15,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:06:15,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277285886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:15,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:06:15,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-11-18 21:06:15,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479969496] [2022-11-18 21:06:15,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:15,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:06:15,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:15,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:06:15,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:06:15,092 INFO L87 Difference]: Start difference. First operand 32951 states and 46842 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-18 21:06:17,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:17,091 INFO L93 Difference]: Finished difference Result 65916 states and 94603 transitions. [2022-11-18 21:06:17,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:06:17,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 313 [2022-11-18 21:06:17,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:17,241 INFO L225 Difference]: With dead ends: 65916 [2022-11-18 21:06:17,241 INFO L226 Difference]: Without dead ends: 32964 [2022-11-18 21:06:17,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 391 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:06:17,344 INFO L413 NwaCegarLoop]: 3883 mSDtfsCounter, 2 mSDsluCounter, 7759 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11642 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:17,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11642 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:06:17,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32964 states. [2022-11-18 21:06:18,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32964 to 32964. [2022-11-18 21:06:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32964 states, 23453 states have (on average 1.3509572336161686) internal successors, (31684), 23998 states have internal predecessors, (31684), 6993 states have call successors, (6993), 2218 states have call predecessors, (6993), 2517 states have return successors, (8178), 7086 states have call predecessors, (8178), 6992 states have call successors, (8178) [2022-11-18 21:06:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32964 states to 32964 states and 46855 transitions. [2022-11-18 21:06:19,085 INFO L78 Accepts]: Start accepts. Automaton has 32964 states and 46855 transitions. Word has length 313 [2022-11-18 21:06:19,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:19,085 INFO L495 AbstractCegarLoop]: Abstraction has 32964 states and 46855 transitions. [2022-11-18 21:06:19,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-18 21:06:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 32964 states and 46855 transitions. [2022-11-18 21:06:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-18 21:06:19,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:19,150 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:19,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:06:19,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-18 21:06:19,369 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:19,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:19,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1120453492, now seen corresponding path program 1 times [2022-11-18 21:06:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:19,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226589327] [2022-11-18 21:06:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:19,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:06:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:06:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:06:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:06:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:06:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:06:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:06:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:06:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:06:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:06:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 21:06:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:06:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:06:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:06:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 21:06:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 21:06:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 21:06:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 21:06:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 21:06:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-18 21:06:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:06:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:06:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:06:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 21:06:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:06:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-18 21:06:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-18 21:06:22,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:22,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226589327] [2022-11-18 21:06:22,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226589327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:22,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552035332] [2022-11-18 21:06:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:22,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:22,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:22,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:22,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 21:06:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 4200 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 21:06:24,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:06:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-18 21:06:24,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:06:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-18 21:06:24,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552035332] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:06:24,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:06:24,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-18 21:06:24,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748378774] [2022-11-18 21:06:24,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:06:24,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 21:06:24,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:24,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 21:06:24,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-11-18 21:06:24,938 INFO L87 Difference]: Start difference. First operand 32964 states and 46855 transitions. Second operand has 14 states, 14 states have (on average 20.5) internal successors, (287), 10 states have internal predecessors, (287), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-18 21:06:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:43,774 INFO L93 Difference]: Finished difference Result 72115 states and 105556 transitions. [2022-11-18 21:06:43,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 21:06:43,775 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.5) internal successors, (287), 10 states have internal predecessors, (287), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 317 [2022-11-18 21:06:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:43,943 INFO L225 Difference]: With dead ends: 72115 [2022-11-18 21:06:43,943 INFO L226 Difference]: Without dead ends: 39152 [2022-11-18 21:06:44,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 707 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2022-11-18 21:06:44,036 INFO L413 NwaCegarLoop]: 2609 mSDtfsCounter, 4225 mSDsluCounter, 12190 mSDsCounter, 0 mSdLazyCounter, 10747 mSolverCounterSat, 2632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4482 SdHoareTripleChecker+Valid, 14799 SdHoareTripleChecker+Invalid, 13379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2632 IncrementalHoareTripleChecker+Valid, 10747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:44,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4482 Valid, 14799 Invalid, 13379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2632 Valid, 10747 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-11-18 21:06:44,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39152 states. [2022-11-18 21:06:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39152 to 32988. [2022-11-18 21:06:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32988 states, 23475 states have (on average 1.3507561235356762) internal successors, (31709), 24020 states have internal predecessors, (31709), 6993 states have call successors, (6993), 2220 states have call predecessors, (6993), 2519 states have return successors, (8178), 7086 states have call predecessors, (8178), 6992 states have call successors, (8178) [2022-11-18 21:06:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32988 states to 32988 states and 46880 transitions. [2022-11-18 21:06:45,928 INFO L78 Accepts]: Start accepts. Automaton has 32988 states and 46880 transitions. Word has length 317 [2022-11-18 21:06:45,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:45,929 INFO L495 AbstractCegarLoop]: Abstraction has 32988 states and 46880 transitions. [2022-11-18 21:06:45,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.5) internal successors, (287), 10 states have internal predecessors, (287), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-18 21:06:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32988 states and 46880 transitions. [2022-11-18 21:06:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-18 21:06:45,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:45,973 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:45,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:06:46,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 21:06:46,175 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:46,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:46,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1626744683, now seen corresponding path program 2 times [2022-11-18 21:06:46,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:46,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886558063] [2022-11-18 21:06:46,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:46,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:06:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:06:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:06:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:06:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:06:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:06:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:06:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:06:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:06:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 21:06:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:06:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:06:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:06:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:06:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 21:06:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 21:06:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 21:06:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:06:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:06:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:06:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 21:06:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:06:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 21:06:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-18 21:06:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-11-18 21:06:48,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:48,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886558063] [2022-11-18 21:06:48,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886558063] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:48,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759712267] [2022-11-18 21:06:48,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:06:48,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:48,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:48,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:48,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 21:06:50,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 21:06:50,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:06:50,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 2699 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-18 21:06:50,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:06:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2022-11-18 21:06:50,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:06:50,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759712267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:50,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:06:50,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2022-11-18 21:06:50,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963181296] [2022-11-18 21:06:50,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:50,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 21:06:50,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:50,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 21:06:50,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2022-11-18 21:06:50,866 INFO L87 Difference]: Start difference. First operand 32988 states and 46880 transitions. Second operand has 18 states, 17 states have (on average 10.176470588235293) internal successors, (173), 14 states have internal predecessors, (173), 4 states have call successors, (43), 2 states have call predecessors, (43), 6 states have return successors, (42), 7 states have call predecessors, (42), 4 states have call successors, (42) [2022-11-18 21:06:53,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:53,180 INFO L93 Difference]: Finished difference Result 66027 states and 95000 transitions. [2022-11-18 21:06:53,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 21:06:53,181 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.176470588235293) internal successors, (173), 14 states have internal predecessors, (173), 4 states have call successors, (43), 2 states have call predecessors, (43), 6 states have return successors, (42), 7 states have call predecessors, (42), 4 states have call successors, (42) Word has length 320 [2022-11-18 21:06:53,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:53,310 INFO L225 Difference]: With dead ends: 66027 [2022-11-18 21:06:53,310 INFO L226 Difference]: Without dead ends: 33088 [2022-11-18 21:06:53,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 21:06:53,546 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 22 mSDsluCounter, 62404 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 66310 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:53,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 66310 Invalid, 313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 21:06:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33088 states. [2022-11-18 21:06:54,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33088 to 33012. [2022-11-18 21:06:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33012 states, 23493 states have (on average 1.3502319839952326) internal successors, (31721), 24038 states have internal predecessors, (31721), 6999 states have call successors, (6999), 2220 states have call predecessors, (6999), 2519 states have return successors, (8184), 7092 states have call predecessors, (8184), 6998 states have call successors, (8184) [2022-11-18 21:06:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33012 states to 33012 states and 46904 transitions. [2022-11-18 21:06:55,074 INFO L78 Accepts]: Start accepts. Automaton has 33012 states and 46904 transitions. Word has length 320 [2022-11-18 21:06:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:55,075 INFO L495 AbstractCegarLoop]: Abstraction has 33012 states and 46904 transitions. [2022-11-18 21:06:55,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.176470588235293) internal successors, (173), 14 states have internal predecessors, (173), 4 states have call successors, (43), 2 states have call predecessors, (43), 6 states have return successors, (42), 7 states have call predecessors, (42), 4 states have call successors, (42) [2022-11-18 21:06:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 33012 states and 46904 transitions. [2022-11-18 21:06:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-18 21:06:55,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:55,116 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:55,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:06:55,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0f4d13-8716-4536-8891-d415af816de1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 21:06:55,317 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:55,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:55,318 INFO L85 PathProgramCache]: Analyzing trace with hash 742689302, now seen corresponding path program 1 times [2022-11-18 21:06:55,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:55,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877754516] [2022-11-18 21:06:55,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:55,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:06:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:06:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:06:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:06:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:06:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:06:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:06:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:06:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:06:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 21:06:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:06:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:06:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:06:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:06:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 21:06:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 21:06:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 21:06:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:06:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:06:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:06:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:06:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 21:06:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:06:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 21:06:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-18 21:06:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2022-11-18 21:06:56,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:56,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877754516] [2022-11-18 21:06:56,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877754516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:56,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:56,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 21:06:56,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091026818] [2022-11-18 21:06:56,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:56,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 21:06:56,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:56,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 21:06:56,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:06:56,819 INFO L87 Difference]: Start difference. First operand 33012 states and 46904 transitions. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-18 21:07:12,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:12,515 INFO L93 Difference]: Finished difference Result 72487 states and 106490 transitions. [2022-11-18 21:07:12,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 21:07:12,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 320 [2022-11-18 21:07:12,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:12,695 INFO L225 Difference]: With dead ends: 72487 [2022-11-18 21:07:12,695 INFO L226 Difference]: Without dead ends: 39524 [2022-11-18 21:07:12,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:07:12,793 INFO L413 NwaCegarLoop]: 2602 mSDtfsCounter, 4257 mSDsluCounter, 9796 mSDsCounter, 0 mSdLazyCounter, 8914 mSolverCounterSat, 2666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4533 SdHoareTripleChecker+Valid, 12398 SdHoareTripleChecker+Invalid, 11580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2666 IncrementalHoareTripleChecker+Valid, 8914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:12,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4533 Valid, 12398 Invalid, 11580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2666 Valid, 8914 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-11-18 21:07:12,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39524 states. [2022-11-18 21:07:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39524 to 33060. [2022-11-18 21:07:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33060 states, 23529 states have (on average 1.3496961196820945) internal successors, (31757), 24074 states have internal predecessors, (31757), 6999 states have call successors, (6999), 2220 states have call predecessors, (6999), 2531 states have return successors, (8232), 7104 states have call predecessors, (8232), 6998 states have call successors, (8232) [2022-11-18 21:07:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33060 states to 33060 states and 46988 transitions. [2022-11-18 21:07:14,569 INFO L78 Accepts]: Start accepts. Automaton has 33060 states and 46988 transitions. Word has length 320 [2022-11-18 21:07:14,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:14,574 INFO L495 AbstractCegarLoop]: Abstraction has 33060 states and 46988 transitions. [2022-11-18 21:07:14,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-18 21:07:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 33060 states and 46988 transitions. [2022-11-18 21:07:14,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-18 21:07:14,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:14,640 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:14,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 21:07:14,640 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:07:14,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1389099363, now seen corresponding path program 1 times [2022-11-18 21:07:14,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:14,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226528593] [2022-11-18 21:07:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:07:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:07:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:07:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:07:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:07:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:07:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:07:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:07:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:07:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 21:07:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:07:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:07:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:07:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:07:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:07:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:07:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:07:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 21:07:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:07:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:07:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:07:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 21:07:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 21:07:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:07:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:07:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:07:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:07:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:07:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:07:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-18 21:07:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:07:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 21:07:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 21:07:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 21:07:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2022-11-18 21:07:15,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:15,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226528593] [2022-11-18 21:07:15,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226528593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:15,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:15,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:07:15,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966384150] [2022-11-18 21:07:15,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:15,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:07:15,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:15,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:07:15,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:07:15,745 INFO L87 Difference]: Start difference. First operand 33060 states and 46988 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:07:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:38,939 INFO L93 Difference]: Finished difference Result 97100 states and 140978 transitions. [2022-11-18 21:07:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 21:07:38,940 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 332 [2022-11-18 21:07:38,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:39,241 INFO L225 Difference]: With dead ends: 97100 [2022-11-18 21:07:39,241 INFO L226 Difference]: Without dead ends: 64089 [2022-11-18 21:07:39,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:07:39,336 INFO L413 NwaCegarLoop]: 4022 mSDtfsCounter, 7325 mSDsluCounter, 8792 mSDsCounter, 0 mSdLazyCounter, 9483 mSolverCounterSat, 3625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7895 SdHoareTripleChecker+Valid, 12814 SdHoareTripleChecker+Invalid, 13108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3625 IncrementalHoareTripleChecker+Valid, 9483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:39,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7895 Valid, 12814 Invalid, 13108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3625 Valid, 9483 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-11-18 21:07:39,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64089 states. [2022-11-18 21:07:41,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64089 to 53662. [2022-11-18 21:07:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53662 states, 38241 states have (on average 1.3403676682095134) internal successors, (51257), 39134 states have internal predecessors, (51257), 11251 states have call successors, (11251), 3652 states have call predecessors, (11251), 4169 states have return successors, (13236), 11432 states have call predecessors, (13236), 11250 states have call successors, (13236) [2022-11-18 21:07:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53662 states to 53662 states and 75744 transitions. [2022-11-18 21:07:42,242 INFO L78 Accepts]: Start accepts. Automaton has 53662 states and 75744 transitions. Word has length 332 [2022-11-18 21:07:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:42,243 INFO L495 AbstractCegarLoop]: Abstraction has 53662 states and 75744 transitions. [2022-11-18 21:07:42,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:07:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 53662 states and 75744 transitions. [2022-11-18 21:07:42,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-18 21:07:42,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:42,330 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:42,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 21:07:42,331 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:07:42,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:42,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1749173147, now seen corresponding path program 1 times [2022-11-18 21:07:42,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:42,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227589093] [2022-11-18 21:07:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:07:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:07:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:07:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:07:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:07:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:07:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:07:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:42,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:07:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:07:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 21:07:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:07:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:07:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:07:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:07:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:07:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:07:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:07:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 21:07:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:07:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:07:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:07:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 21:07:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 21:07:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:07:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:07:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:07:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:07:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:07:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:07:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-18 21:07:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:07:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 21:07:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 21:07:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 21:07:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-11-18 21:07:43,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:43,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227589093] [2022-11-18 21:07:43,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227589093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:43,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:43,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:07:43,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114842747] [2022-11-18 21:07:43,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:43,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:07:43,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:43,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:07:43,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:07:43,538 INFO L87 Difference]: Start difference. First operand 53662 states and 75744 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-18 21:07:59,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:59,533 INFO L93 Difference]: Finished difference Result 117609 states and 171016 transitions. [2022-11-18 21:07:59,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:07:59,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 332 [2022-11-18 21:07:59,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:59,838 INFO L225 Difference]: With dead ends: 117609 [2022-11-18 21:07:59,839 INFO L226 Difference]: Without dead ends: 63996 [2022-11-18 21:07:59,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:07:59,998 INFO L413 NwaCegarLoop]: 2574 mSDtfsCounter, 2299 mSDsluCounter, 7640 mSDsCounter, 0 mSdLazyCounter, 7238 mSolverCounterSat, 967 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 10214 SdHoareTripleChecker+Invalid, 8205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 967 IncrementalHoareTripleChecker+Valid, 7238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:59,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 10214 Invalid, 8205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [967 Valid, 7238 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-11-18 21:08:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63996 states. [2022-11-18 21:08:02,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63996 to 53602. [2022-11-18 21:08:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53602 states, 38181 states have (on average 1.3398549016526544) internal successors, (51157), 39074 states have internal predecessors, (51157), 11251 states have call successors, (11251), 3652 states have call predecessors, (11251), 4169 states have return successors, (13236), 11432 states have call predecessors, (13236), 11250 states have call successors, (13236) [2022-11-18 21:08:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53602 states to 53602 states and 75644 transitions. [2022-11-18 21:08:03,031 INFO L78 Accepts]: Start accepts. Automaton has 53602 states and 75644 transitions. Word has length 332 [2022-11-18 21:08:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:03,031 INFO L495 AbstractCegarLoop]: Abstraction has 53602 states and 75644 transitions. [2022-11-18 21:08:03,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-18 21:08:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 53602 states and 75644 transitions. [2022-11-18 21:08:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-18 21:08:03,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:03,336 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:03,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 21:08:03,336 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:08:03,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:03,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1213485349, now seen corresponding path program 1 times [2022-11-18 21:08:03,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:03,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245393498] [2022-11-18 21:08:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:08:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:08:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:08:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:08:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:08:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:08:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:08:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:08:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:08:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:08:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 21:08:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 21:08:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:08:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:08:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:08:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:08:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:08:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 21:08:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:08:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 21:08:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:08:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:08:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:08:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:08:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:08:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 21:08:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 21:08:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:08:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:08:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 21:08:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:08:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:08:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:08:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-18 21:08:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:08:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 21:08:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 21:08:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 21:08:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,171 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-11-18 21:08:04,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:04,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245393498] [2022-11-18 21:08:04,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245393498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:04,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:04,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:08:04,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787811986] [2022-11-18 21:08:04,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:04,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:08:04,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:04,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:08:04,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:08:04,175 INFO L87 Difference]: Start difference. First operand 53602 states and 75644 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-18 21:08:19,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:19,128 INFO L93 Difference]: Finished difference Result 117449 states and 170676 transitions. [2022-11-18 21:08:19,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:08:19,129 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 332 [2022-11-18 21:08:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:19,664 INFO L225 Difference]: With dead ends: 117449 [2022-11-18 21:08:19,664 INFO L226 Difference]: Without dead ends: 63896 [2022-11-18 21:08:19,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:08:19,858 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 3393 mSDsluCounter, 5355 mSDsCounter, 0 mSdLazyCounter, 5513 mSolverCounterSat, 1883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3650 SdHoareTripleChecker+Valid, 7908 SdHoareTripleChecker+Invalid, 7396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1883 IncrementalHoareTripleChecker+Valid, 5513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:19,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3650 Valid, 7908 Invalid, 7396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1883 Valid, 5513 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-11-18 21:08:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63896 states.